Old Mill State Park was created in 1951.
Old Mission State Park was created in 1961.
Old Furnace State Park was created in 1918.
My Old Kentucky Home State Park was created in 1936.
Old Sacramento State Historic Park was created in 1965.
Old Las Vegas Mormon State Historic Park was created in 1991.
Old Town San Diego State Historic Park was created in 1968.
Old White Mill was created in 1852.
Old Schwamb Mill was created in 1861.
Old Mill House was created in 1851.
Old Mill - TTC - was created in 1968.
The Old Mill Restaurant was created in 1870.
Old Mill High School was created in 1975.